php 判断是否是手机还是电脑

php 判断是否是手机还是电脑

error_reporting(E_ALL || ~E_NOTICE);
header("Content-Type:text/html; charset=utf8");
function isMobile(){ 
    $useragent=isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : ''; 
    $useragent_commentsblock=preg_match('|\(.*?\)|',$useragent,$matches)>0?$matches[0]:'';    
    function CheckSubstrs($substrs,$text){ 
        foreach($substrs as $substr) 
        if(false!==strpos($text,$substr)){ 
            return true; 
        } 
        return false; 
    }
    $mobile_os_list=array('Google Wireless Transcoder','Windows CE','WindowsCE','Symbian','Android','armv6l','armv5','Mobile','CentOS','mowser','AvantGo','Opera Mobi','J2ME/MIDP','Smartphone','Go.Web','Palm','iPAQ');
    $mobile_token_list=array('Profile/MIDP','Configuration/CLDC-','160×160','176×220','240×240','240×320','320×240','UP.Browser','UP.Link','SymbianOS','PalmOS','PocketPC','SonyEricsson','Nokia','BlackBerry','Vodafone','BenQ','Novarra-Vision','Iris','NetFront','HTC_','Xda_','SAMSUNG-SGH','Wapaka','DoCoMo','iPhone','iPod'); 

    $found_mobile=CheckSubstrs($mobile_os_list,$useragent_commentsblock) || 
    CheckSubstrs($mobile_token_list,$useragent); 

    if ($found_mobile){ 
        return true; 
    }else{ 
        return false; 
    } 
}

if (isMobile()){
    echo "是在手机端";
    exit();
}else{
    echo "是在PC端";
    exit();
}
?>